From e112c80a6d73da061772205b3bbf2ecc723ec66a Mon Sep 17 00:00:00 2001
From: Midas Chien <midaschieh@google.com>
Date: Fri, 15 Feb 2019 11:07:01 +0800
Subject: [PATCH] sm6250-common: Enable display idle_state mechanism

Allows us to check the idle state of the display in order to use perf
hints to improve system performance.

Bug: 124470767
Test: Booted and cated the affected files
Change-Id: Ib22b5209c57725c50f3545c578af7b72e7f08322
---
 rootdir/etc/init.qcom.rc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rootdir/etc/init.qcom.rc b/rootdir/etc/init.qcom.rc
index 0b4b3b4..7985ffe 100644
--- a/rootdir/etc/init.qcom.rc
+++ b/rootdir/etc/init.qcom.rc
@@ -514,6 +514,10 @@ on property:sys.boot_completed=1
     chown media audio /sys/kernel/wdsp0/boot
     chown media audio /sys/kernel/wcd_cpe0/fw_name
 
+    # Enable idle state listener
+    write /sys/class/drm/card0/device/idle_encoder_mask 1
+    write /sys/class/drm/card0/device/idle_timeout_ms 100
+
 # corefile limit
 on property:persist.debug.trace=1
     mkdir /data/core 0777 root root